| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :45.34 | Ryan Murphy (12) | The Bolles School | Jacksonville | FL |
| 2 | :46.76 | Jack Conger (12) | Our Lady of Good Counsel | Olney | MD |
| 3 | :47.04 | Kyle Gornay (11) | Redlands High School | Redlands | CA |
| 4 | :47.29 | Aaron Whitaker (11) | Chesterton High School | Chesterton | IN |
| 5 | :47.65 | Sven Campbell (12) | Campolindo High School | Moraga | CA |
| 6 | :47.69 | Hennessey Stuart (11) | Regis Jesuit High School | Aurora | CO |
| 6 | :47.69 | Daryl Turner (12) | Cherry Creek High School | Englewood | CO |
| 8 | :47.99 | Jason Chen (12) | Amador Valley High School | Pleasanton | CA |
| 9 | :48.21 | Andrew Jovanovic (12) | Loyola Academy | Wilmette | IL |
| 10 | :48.41 | Will Glass (12) | McGill-Toolen Catholic High School | Mobile | AL |
| 11 | :48.56 | Thane Maudslien (12) | Kennedy High School | Burien | WA |
| 12 | :48.62 | Sam Lynch (12) | Ocean Township High School | Oakhurst | NJ |
| 13 | :48.77 | Max Williamson (12) | Covington Catholic High School | Park Hills | KY |
| 14 | :48.80 | Peter Conzola (11) | Freedom High School | Bethlehem | PA |
| 15 | :48.92 | Pace Clark (12) | Memphis University School | Memphis | TN |
| 15 | :48.92 | Zach Switzer (12) | Woodberry Forest School | Woodberry Forest | VA |
| 17 | :49.00 | Andrew Appleby (12) | Cuyahoga Falls High School | Cuyahoga Falls | OH |
| 17 | :49.00 | Benjamin Ho (9 ) | Saint Francis High School | Mountain View | CA |
| 19 | :49.04 | Austin Quinn (12) | Chagrin Falls High School | Chagrin Falls | OH |
| 20 | :49.11 | Taylor Dale (12) | Dalton High School | Dalton | GA |
| 20 | :49.11 | Michael Thomas (10) | Hatboro-Horsham High School | Horsham | PA |
| 22 | :49.12 | Ethan Young (9 ) | Dalton High School | Dalton | GA |
| 23 | :49.13 | Collin Baldacci (12) | Campbell County High School | Gillette | WY |
| 24 | :49.14 | Noah Busch (12) | Minnetonka High School | Minnetonka | MN |
| 25 | :49.17 | Austin Flager (12) | Northridge High School | Middlebury | IN |
| 25 | :49.17 | Todd McCarthy (11) | Bellevue High School | Bellevue | WA |
| 27 | :49.21 | Daniel McArthur (10) | Lakewood High School | Lakewood | CA |
| 28 | :49.23 | Austin Doss (11) | Hershey High School | Hershey | PA |
| 29 | :49.32 | Cole Bateman (12) | Hutchinson High School | Hutchinson | MN |
| 30 | :49.40 | Zach Bunner (12) | Lassiter High School | Marietta | GA |
| 30 | :49.40 | Ryan Gordon (11) | Shenendehowa High School | Clifton Park | NY |
| 32 | :49.44 | Kenneth Castro-Abrams (12) | San Marin High School | Novato | CA |
| 33 | :49.49 | Robert Glover (12) | Millard South High School | Omaha | NE |
| 33 | :49.49 | Ethan King (12) | Memphis Home Education Association | Memphis | TN |
| 35 | :49.56 | Robert Sikatzki (11) | Fariview High School | Fairview | PA |
| 36 | :49.60 | Patrick Conaton (11) | Fordham Preparatory School | Bronx | NY |
| 37 | :49.63 | Tristan Sanders (11) | Palm Harbor University High School | Palm Harbor | FL |
| 38 | :49.67 | Jonathan Knox (11) | Analy High School | Sebastopol | CA |
| 38 | :49.67 | John Thorn (10) | Thompson Valley High School | Loveland | CO |
| 40 | :49.68 | Jack Blyzinskyj (12) | Weston High School | Weston | MA |
| 41 | :49.69 | Ryan Dudzinski (10) | Upper St. Clair High School | Pittsburgh | PA |
| 42 | :49.70 | Alex Snarski (11) | Libertyville High School | Libertyville | IL |
| 43 | :49.73 | Nick Johnston (12) | Amador Valley High School | Pleasanton | CA |
| 44 | :49.75 | David Boland (12) | Saline Area Schools | Saline | MI |
| 44 | :49.75 | Tim Wynter (11) | Phillips Academy | Andover | MA |
| 46 | :49.76 | William Lee (11) | Palo Alto High School | Palo Alto | CA |
| 47 | :49.78 | Ryan Massey (12) | Klein Oak High School | Spring | TX |
| 48 | :49.80 | Matthew Brinton (12) | Avon Grove High School | West Grove | PA |
| 49 | :49.82 | Brian Woodbury (11) | Curtis High School | University Place | WA |
| 50 | :49.87 | Joe Maginnis (12) | LaSalle College High School | Wyndmoor | PA |
| 51 | :49.88 | Alexander Lewis (11) | Greenwich High School | Greenwich | CT |
| 52 | :49.89 | Will Anderson (12) | McGill-Toolen Catholic High School | Mobile | AL |
| 52 | :49.89 | Brandon James (11) | Heritage High School | Brentwood | CA |
| 54 | :49.94 | Mitchell Foster (12) | Breck / Blake High Schools | Minneapolis | MN |
| 55 | :49.96 | Devon Davis (12) | Air Academy High School | USAF Academy | CO |
| 55 | :49.96 | Long Gutierrez (12) | Brighton High School | Salt Lake City | UT |
| 57 | :49.98 | Ian Wooley (12) | Saint Xavier High School | Cincinnati | OH |
| 58 | :49.99 | Thomas Trace (11) | Upper Arlington High School | Upper Arlington | OH |
| 59 | :50.01 | Steven Tan (11) | Illinois Math And Science Academy | Aurora | IL |
| 60 | :50.02 | C J Schaffer (11) | Malvern Preparatory School | Malvern | PA |
| 61 | :50.08 | J D Ratchford (12) | Campolindo High School | Moraga | CA |
| 62 | :50.09 | Cannon Clifton (12) | The Woodlands High School | The Woodlands | TX |
| 62 | :50.09 | Jacob Molacek (11) | Creighton Preparatory School | Omaha | NE |
| 62 | :50.09 | Alex Schultz (12) | Gilbert High School | Gilbert | AZ |
| 65 | :50.10 | Evan Pinion (12) | Bearden High School | Knoxville | TN |
| 66 | :50.15 | Daniel Tran (10) | University High School | Irvine | CA |
| 67 | :50.17 | Mathew McHugh (12) | West Bend West High School | West Bend | WI |
| 68 | :50.19 | Thomas Smith (10) | Edison High School | Huntington Beach | CA |
| 69 | :50.22 | Ryan Ball (10) | Loveland High School | Loveland | CO |
| 70 | :50.23 | David Puczkowski (10) | Westlake High School | Westlake Village | CA |
| 71 | :50.25 | Kyle Patnode (12) | Oak Park and River Forest High School | Oak Park | IL |
| 72 | :50.26 | John Ferrara (12) | Stevenson High School | Livonia | MI |
| 73 | :50.31 | Clay McAnany (11) | Ronald Reagan High School | San Antonio | TX |
| 74 | :50.33 | Adam Marsh (12) | Okemos High School | Okemos | MI |
| 75 | :50.34 | Alex Walton (10) | Muscatine High School | Muscatine | IA |
| 76 | :50.36 | Jeff Wynkoop (11) | Tesoro High School | Las Flores | CA |
| 77 | :50.37 | Jacob Kelsoe (12) | Memphis Home Education Association | Memphis | TN |
| 78 | :50.41 | Jack Mangan (12) | New Trier High School | Winnetka | IL |
| 79 | :50.42 | Alex Lebed (10) | Germantown Academy | Fort Washington | PA |
| 80 | :50.44 | Christian Berg (12) | Fitch Senior High School | Groton | CT |
| 80 | :50.44 | Kyle Doss (12) | Holland High School | Holland | MI |
| 82 | :50.46 | Alexander Martin (9 ) | Moorestown High School | Moorestown | NJ |
| 82 | :50.46 | Walker Thaning (11) | Heritage High School | Brentwood | CA |
| 82 | :50.46 | Jonathan Thielen (12) | Marmion Academy | Aurora | IL |
| 85 | :50.47 | Luke Kaliszak (11) | The Baylor School | Chattanooga | TN |
| 85 | :50.47 | Max McKay (12) | Carmel High School | Carmel | IN |
| 87 | :50.53 | Albert Miao (12) | Miramonte High School | Orinda | CA |
| 87 | :50.53 | Koya Osada (11) | East Chapel Hill High School | Chapel Hill | NC |
| 89 | :50.54 | Ryan Peters (11) | Countryside High School | Clearwater | FL |
| 90 | :50.57 | Alex Katz (11) | Riverview High School | Sarasota | FL |
| 91 | :50.58 | Tristan Furnary (9 ) | Sunset High School | Portland | OR |
| 92 | :50.60 | Justin Wu (10) | Norman North High School | Norman | OK |
| 93 | :50.61 | Jack Walsh (10) | Detroit Catholic Central High School | Novi | MI |
| 94 | :50.62 | Patrick Riess (12) | Isidore Newman School | New Orleans | LA |
| 95 | :50.64 | Alex Trompke (11) | Rocky Mountain High School | Meridian | ID |
| 96 | :50.65 | Quinn Smith (11) | Deerfield Academy | Deerfield | MA |
| 97 | :50.67 | Alex Dehner (12) | Lawton Chiles High School | Tallahassee | FL |
| 98 | :50.71 | Thomas Norman (12) | Lamar High School | Houston | TX |
| 98 | :50.71 | Jason Wesseling (11) | Jenison High School | Jenison | MI |
| 100 | :50.74 | Adam Banks (12) | Vista del Lago High School | Folsom | CA |
| 100 | :50.74 | Brock Bonetti (11) | Stockdale High School | Bakersfield | CA |
| 100 | :50.74 | Joe Gebhart (11) | Boulder City High School | Boulder City | NV |